/* FCE Ultra - NES/Famicom Emulator
 *
 * Copyright notice for this file:
 *  Copyright (C) 2002 Xodnizel
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "mapinc.h"
static uint8 MMC3_cmd;

static DECLFW(Mapper76_write) {
	switch (A & 0xE001) {
	case 0x8000:
		MMC3_cmd = V;
		break;
	case 0x8001:
		switch (MMC3_cmd & 0x07) {
		case 2: VROM_BANK2(0x000, V); break;
		case 3: VROM_BANK2(0x800, V); break;
		case 4: VROM_BANK2(0x1000, V); break;
		case 5: VROM_BANK2(0x1800, V); break;
		case 6:
			if (MMC3_cmd & 0x40) ROM_BANK8(0xC000, V);
			else ROM_BANK8(0x8000, V);
			break;
		case 7: ROM_BANK8(0xA000, V);
			break;
		}
		break;
	case 0xA000:
		MIRROR_SET(V & 1);
		break;
	}
}

void Mapper76_init(void) {
	SetWriteHandler(0x8000, 0xffff, Mapper76_write);
}

